Home / 13,550,080.94-18,699,128.60-7,355,124.29

Finding the Fourth Proportional to 13,550,080.94, 18,699,128.60 and 7,355,124.29

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Solution

The fourth proportional to 13,550,080.94, 18,699,128.60 and 7,355,124.29 is: 10,150,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550,080.94 : 18,699,128.60 = 7,355,124.29 : x
  2. Step 2: Convert to fraction form
    13,550,080.94/18,699,128.60 = 7,355,124.29/x
  3. Step 3: Cross multiply
    13,550,080.94x = 18,699,128.60 × 7,355,124.29
  4. Step 4: Simplify right side
    13,550,080.94x = 137,534,414,967,693.70
  5. Step 5: Solve for x
    x = 137,534,414,967,693.70/13,550,080.94
  6. Step 6: Final answer
    x = 10,150,080.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.